| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| INTERIOR SERVICES GROUP AESOP TRUSTEE LIMITED | 03776889 | 07/02/2008 | Dissolved |
| INTERIOR TOLENT LIMITED | 03800201 | 01/07/2006 | Dissolved |
| ISG HARRY NEAL LIMITED | 05144647 | 06/06/2016 | Dissolved |
| ISG INTERIOR LIMITED | 02510874 | 06/06/2016 | Strike Off |
| ISG RETAIL AND LEISURE HOLDINGS LIMITED | 03011317 | 06/06/2016 | Dissolved |
| ISG SCOTLAND LIMITED | SC388876 | 15/07/2016 | Dissolved |
| ISG WESTERN LIMITED | 09069850 | 15/07/2016 | Dissolved |
| JACKSON CONSTRUCTION LIMITED | 02094054 | 06/06/2016 | Dissolved |
| KING WILLIAM STREET STUDENT ACCOMMODATION LIMITED | 10511391 | 06/12/2016 | Dissolved |
| PEARCE LIMITED | 02152862 | 06/06/2016 | Dissolved |
| PROPENCITY 123 LIMITED | 02341003 | 01/12/2016 | Dissolved |
| TOTTY CONSTRUCTION LIMITED | 08093121 | 01/12/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUILD UK GROUP LIMITED | 09598491 | 17/09/2020 | 26/09/2023 | Gold |
| COMMTECH (UK) LIMITED | 03006483 | 01/12/2016 | 01/12/2021 | Not Trading |
| EXTERIOR INTERNATIONAL LIMITED | 03454602 | 06/06/2016 | 01/12/2021 | Not Trading |
| INTERIOR SERVICES GROUP (UK HOLDINGS) LIMITED | 04446413 | 01/07/2009 | 30/06/2010 | Bronze |
| INTERIOR SERVICES GROUP LIMITED | 04545988 | 06/06/2016 | 01/12/2021 | Silver |
| ISG ASIA LIMITED | 07395385 | 01/12/2016 | 01/12/2021 | Not Trading |
| ISG CATHEDRAL LIMITED | 03151349 | 06/06/2016 | 01/12/2021 | Not Trading |
| ISG CENTRAL SERVICES LIMITED | 02997684 | 29/04/2016 | 31/12/2021 | Pre-I |
| ISG CONSTRUCTION HOLDINGS LIMITED | 07272660 | 06/06/2016 | 01/12/2021 | One Red Flag |
| ISG CONSTRUCTION LIMITED | 00450103 | 15/07/2016 | 25/04/2019 | Pre-I |
| ISG DEVELOPMENTS (SOUTHERN) LIMITED | 01801647 | 06/06/2016 | 01/12/2021 | Not Trading |
| ISG DEVELOPMENTS LIMITED | 01098081 | 06/06/2016 | 01/12/2021 | Not Trading |
| ISG DEVELOPMENTS UK HOLDINGS LIMITED | 10618277 | 14/02/2017 | 01/12/2021 | Not Trading |
| ISG ENGINEERING SERVICES LIMITED | 10289327 | 21/07/2016 | 17/05/2019 | Pre-I |
| ISG EUROPE LIMITED | 07662920 | 01/12/2016 | 01/12/2021 | Not Trading |
| ISG FIT OUT LIMITED | 06954059 | 01/07/2010 | 07/05/2019 | Bronze |
| ISG INTERIOR SERVICES GROUP UK LIMITED | 02989004 | 01/07/2004 | 30/06/2010 | Silver |
| ISG JACKSON LIMITED | 00767259 | 15/07/2016 | 01/12/2021 | Pre-I |
| ISG JACKSON SPECIAL PROJECTS LIMITED | 00541763 | 06/06/2016 | 01/12/2021 | Not Trading |
| ISG LIMITED | 10081578 | 31/08/2016 | 21/12/2023 | Amber |
| ISG MIDDLE EAST LIMITED | 07395542 | 01/12/2016 | 01/12/2021 | Not Trading |
| ISG NORTHERN LIMITED | 00315305 | 15/07/2016 | 10/02/2021 | Bronze |
| ISG OVERSEAS INVESTMENTS LIMITED | 03791978 | 06/05/2016 | 01/12/2021 | Bronze |
| ISG PEARCE LIMITED | 00409459 | 01/11/2016 | 10/02/2021 | One Red Flag |
| ISG RETAIL AND LEISURE LIMITED | 01346138 | 06/06/2016 | 01/12/2021 | Not Trading |
| ISG RETAIL LIMITED | 02721627 | 30/05/2017 | 16/05/2019 | Pre-I |
| ISG SOUTH LIMITED | 07276092 | 15/07/2016 | 10/02/2021 | One Red Flag |
| ISG TECHNOLOGY SOLUTIONS LIMITED | 09797050 | 01/10/2015 | 01/12/2021 | Silver |
| ISG UK FIT OUT LIMITED | 07267349 | 06/06/2016 | 01/12/2021 | Amber |
| ISG UK LIMITED | 05086130 | 01/12/2016 | 01/12/2021 | Not Trading |
| ISG UK RETAIL LIMITED | 04491779 | 06/06/2016 | 01/12/2021 | Pre-I |
| PROPENCITY LIMITED | 02517333 | 06/06/2016 | 01/12/2021 | Not Trading |
| REALYS HOLDINGS LIMITED | 09059862 | 06/06/2016 | 01/12/2021 | Silver |
| THE APLASTIC ANAEMIA TRUST | 05174065 | 10/05/2017 | 05/12/2022 | Amber |
| TOTTY DEVELOPMENTS LIMITED | 03119754 | 01/12/2016 | 01/12/2021 | Not Trading |